From 18131081c8d292a32521934ed3000d32fcaad282 Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Sun, 24 May 2015 18:17:14 +0300 Subject: add FIPS-style formatting to AES-192/256 blocks --- src/common.c | 100 ++++++++++++++++++++++++++++++++++++++--------------------- 1 file changed, 65 insertions(+), 35 deletions(-) (limited to 'src/common.c') diff --git a/src/common.c b/src/common.c index 9aed290..a221eb3 100644 --- a/src/common.c +++ b/src/common.c @@ -119,6 +119,68 @@ AesBlockString256 format_aes_block256_fips_style(AesBlock256* block) return result; } +AesBlockMatrixString128 format_aes_block128_fips_matrix_style(AesBlock128* block) +{ + int i, j; + __declspec(align(16)) unsigned char bytes[4][4]; + AesBlockMatrixString128 result; + char* cursor = result.str; + + _mm_store_si128((AesBlock128*) bytes, *block); + + for (i = 0; i < 4; ++i, cursor += 3) + { + for (j = 0; j < 3; ++j, cursor += 3) + sprintf(cursor, "%02x ", bytes[j][i]); + sprintf(cursor, "%02x\n", bytes[3][i]); + } + + *cursor = '\0'; + return result; +} + +AesBlockMatrixString192 format_aes_block192_fips_matrix_style(AesBlock192* block) +{ + int i, j; + __declspec(align(16)) unsigned char bytes[8][4]; + AesBlockMatrixString192 result; + char* cursor = result.str; + + _mm_store_si128((AesBlock128*) bytes, block->lo); + _mm_store_si128((AesBlock128*) bytes + 1, block->hi); + + for (i = 0; i < 4; ++i, cursor += 3) + { + for (j = 0; j < 5; ++j, cursor += 3) + sprintf(cursor, "%02x ", bytes[j][i]); + sprintf(cursor, "%02x\n", bytes[5][i]); + } + + *cursor = '\0'; + return result; +} + +AesBlockMatrixString256 format_aes_block256_fips_matrix_style(AesBlock256* block) +{ + int i, j; + __declspec(align(16)) unsigned char bytes[8][4]; + AesBlockMatrixString256 result; + char* cursor = result.str; + + _mm_store_si128((AesBlock128*) bytes, block->lo); + _mm_store_si128((AesBlock128*) bytes + 1, block->hi); + + for (i = 0; i < 4; ++i, cursor += 3) + { + for (j = 0; j < 7; ++j, cursor += 3) + sprintf(cursor, "%02x ", bytes[j][i]); + sprintf(cursor, "%02x\n", bytes[7][i]); + } + + *cursor = '\0'; + return result; +} + void print_aes_block128(AesBlock128* block) { printf("%s\n", format_aes_block128(block).str); @@ -151,47 +213,15 @@ void print_aes_block256_fips_style(AesBlock256* block) void print_aes_block128_fips_matrix_style(AesBlock128* block) { - int i, j; - __declspec(align(16)) unsigned char bytes[4][4]; - - _mm_store_si128((AesBlock128*) bytes, *block); - - for (i = 0; i < 4; ++i) - { - for (j = 0; j < 3; ++j) - printf("%02x ", bytes[j][i]); - printf("%02x\n", bytes[3][i]); - } + printf("%s", format_aes_block128_fips_matrix_style(block).str); } void print_aes_block192_fips_matrix_style(AesBlock192* block) { - int i, j; - __declspec(align(16)) unsigned char bytes[8][4]; - - _mm_store_si128((AesBlock128*) bytes, block->lo); - _mm_store_si128((AesBlock128*) bytes + 1, block->hi); - - for (i = 0; i < 4; ++i) - { - for (j = 0; j < 5; ++j) - printf("%02x ", bytes[j][i]); - printf("%02x\n", bytes[5][i]); - } + printf("%s", format_aes_block192_fips_matrix_style(block).str); } void print_aes_block256_fips_matrix_style(AesBlock256* block) { - int i, j; - __declspec(align(16)) unsigned char bytes[8][4]; - - _mm_store_si128((AesBlock128*) bytes, block->lo); - _mm_store_si128((AesBlock128*) bytes + 1, block->hi); - - for (i = 0; i < 4; ++i) - { - for (j = 0; j < 7; ++j) - printf("%02x ", bytes[j][i]); - printf("%02x\n", bytes[7][i]); - } + printf("%s", format_aes_block256_fips_matrix_style(block).str); } -- cgit v1.2.3